Two-stage Cu Pb Zn mineralization of the Baoshan deposit in southern Hunan, South China: Constraints from zircon and pyrite geochronology and geochemistry

Zhu, Da-Peng; Li, Huan; Tamehe, Landry Soh; Jiang, Weicheng; Wang, Chong; Wu, Kun-Yan

doi:10.1016/j.gexplo.2022.107070

Cited by 17 publications

(1 citation statement)

References 138 publications

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“…8) and the dataset of previous study (Li et al 2019). Notable, the Fule pyrite contains more Ge than previously reported results of other deposits elsewhere (mostly <2 μg/g; Vincent et al 2021;Frenzel et al 2022;Zhu et al 2022;Li et al 2023). It is thus expected that pyrite may have a more significant role in controlling the distribution of trace Ge in certain deposits than previously acknowledged, although the nano occurrence mode of Ge remains undisclosed.…”

Section: La-icpms Element Mappingmentioning

confidence: 45%

Germanium distribution in Mississippi Valley-Type systems from sulfide deposition to oxidative weathering: A perspective from Fule Pb-Zn(-Ge) deposit, South China

2024

msam

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Germanium (Ge) is a critical raw material for emerging high-tech and green industries, resulting in considerable recent interest to understand its distribution and geochemical behavior in ore deposits.In this contribution, the distribution of Ge and related trace elements in the Fule Pb-Zn(-Ge) deposit, South China is investigated to reveal the distribution of Ge in the hydrothermal ores and during sulfide weathering, using multiple microanalytical techniques including scanning electron microscopy, electron probe microanalysis and laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS). In the Fule MVT deposit, sphalerite (ZnS) is the most significant Gecarrier relative to other sulfides, though the five recognized textural types of sphalerite display progressive depletion in Ge from the first sphalerite generation to the late one. In the early stage, sphalerite with fine-grained chalcopyrite inclusions have the highest Ge concentrations, probably accounting for a significant proportion of the total Ge. We interpret that high Ge concentrations in the early sphalerite may be attributable to high Cu activity in the mineralizing fluids. During oxidative weathering, Ge was redistributed from its original host, sphalerite, to the weathering product willemite (Zn2SiO4) rather than smithsonite (ZnCO3), with high levels of Ge (up to 448 μg/g) present in the willemite. The formation of abundant willemite largely prevents the dispersion of Ge during weathering. In principle, willemite-hosted Ge should be fully recoverable, and the Zn-silicate ores may therefore be a potential target to meet future demand. This study provides new information on how Ge behaves from sulfide-to weathering-stage in MVT systems, which directly impact Ge mobility and deportment changes and the development of metallurgical strategies for Ge recovery.

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Section: La-icpms Element Mappingmentioning

confidence: 45%

Germanium distribution in Mississippi Valley-Type systems from sulfide deposition to oxidative weathering: A perspective from Fule Pb-Zn(-Ge) deposit, South China

2024

msam

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Unveiling Tin Mineralization in the Baoshan, Southern Hunan Province: Implications for Coexisting Cu and Sn Polymetallic Composite Metallogenic Systems

Yang,

Hu,

et al. 2024

J. Earth Sci.

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Insights from apatite and zircon geochemistry into peraluminous I-type granitoid: A case study of granodiorite porphyry and lamprophyre in Baoshan, China

Liu

Zhou³

et al. 2023

Geochemistry

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Two-stage Cu Pb Zn mineralization of the Baoshan deposit in southern Hunan, South China: Constraints from zircon and pyrite geochronology and geochemistry

Cited by 17 publications

References 138 publications

Germanium distribution in Mississippi Valley-Type systems from sulfide deposition to oxidative weathering: A perspective from Fule Pb-Zn(-Ge) deposit, South China

Germanium distribution in Mississippi Valley-Type systems from sulfide deposition to oxidative weathering: A perspective from Fule Pb-Zn(-Ge) deposit, South China

Unveiling Tin Mineralization in the Baoshan, Southern Hunan Province: Implications for Coexisting Cu and Sn Polymetallic Composite Metallogenic Systems

Insights from apatite and zircon geochemistry into peraluminous I-type granitoid: A case study of granodiorite porphyry and lamprophyre in Baoshan, China

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